400817068 has 12 divisors (see below), whose sum is σ = 702181872. Its totient is φ = 200193680.

The previous prime is 400817063. The next prime is 400817099. The reversal of 400817068 is 860718004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (400817063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49480 + ... + 57007.

It is an arithmetic number, because the mean of its divisors is an integer number (58515156).

Almost surely, 2^400817068 is an apocalyptic number.

It is an amenable number.

400817068 is a deficient number, since it is larger than the sum of its proper divisors (301364804).

400817068 is a wasteful number, since it uses less digits than its factorization.

400817068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107432 (or 107430 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 400817068 is about 20020.4162793884. The cubic root of 400817068 is about 737.3076425650.

The spelling of 400817068 in words is "four hundred million, eight hundred seventeen thousand, sixty-eight".